Johann Leonhard
Johann Leonhard is the name of the following people:
- Johann Hermann Leonhard (1835–1905), German doctor and benefactor
- Johann Michael Leonhard (1782–1863), Austrian clergyman, bishop of St. Pölten
- Johann-Peter Leonhard (1793–1873), German stonemason and sculptor
See also:
- Johann Carl Leonhart (1720–1777), German administrative lawyer
- Johannes Leonhardt (1893–1959), German mineralogist
